Single-center experience with partial support device in destination therapy for end-stage heart failure.

abstract：:Doppler ultrasound is a noninvasive technique for monitoring moving objects such as flowing blood while ignoring stationary objects such as shunt tubing. A Doppler system was investigated to determine its sensitivity in detecting particulate release in blood during hemodialysis. Seven hemodialysis procedures with dogs...

journal_title：Artificial organs

authors： Badylak SF,Ash SR,Thornhill JA,Carr DJ

更新日期：1984-05-01 00:00:00

abstract：:This study deals with the design of a controller for cycling induced by functional electrical stimulation. The controller will be exploitable in the rehabilitation of hemiparetic patients who need to recover motor symmetry. It uses the pulse width as the control variable in the stimulation of the two legs in order to ...

journal_title：Artificial organs

authors： Ambrosini E,Ferrante S,Schauer T,Ferrigno G,Molteni F,Pedrocchi A

更新日期：2010-08-01 00:00:00

abstract：:Replacing the renal excretion of low molecular weight proteins (LMWP) by extracorporeal dialysis (dialysis) treatment poses technological challenges. Hemodialyzers with sieving coefficients for LMWP that match or even exceed those of the glomerular membrane barrier are commercially available; however, the associated l...

journal_title：Artificial organs

authors： Glancey G

更新日期：2020-10-01 00:00:00

abstract：:The major restrictions to the transport of solute and solvent across the peritoneum are the limited peritoneal blood flow, area and permeability. Recent investigations have demonstrated that several vasoactive drugs influence transport parameters. Isoproterenol, nitroprusside, dipyridamole and dopamine exemplify drugs...

journal_title：Artificial organs

authors： Maher JF

更新日期：1979-08-01 00:00:00

abstract：:Using computed tomography (CT)-based preoperative planning software, we can define with good accuracy the position of a cementless hip stem inside the host bone, but previous studies suggest that the pose the surgeon achieves during freehand surgery may differ from the planned one even by some millimeters. Advances in...

journal_title：Artificial organs

authors： Reggiani B,Cristofolini L,Taddei F,Viceconti M

更新日期：2008-07-01 00:00:00

abstract：:There is increasing evidence showing that adult stem cells are useful for tissue regeneration. Bone marrow mesenchymal stem cells (MSCs) are self-renewing and are potent in differentiating into multiple cells and tissues. To investigate the practicability of repairing burn wounds with tissue-engineered (TE) skin combi...

journal_title：Artificial organs

authors： Liu P,Deng Z,Han S,Liu T,Wen N,Lu W,Geng X,Huang S,Jin Y

更新日期：2008-12-01 00:00:00

abstract：:In clinical settings, no method has been established to examine the fatigue of a latissimus dorsi muscle (LDM) preconditioned for cardiomyoplasty. We examined the feasibility of measuring muscle stiffness (tactile stiffness) to evaluate muscle fatigue in situ using our tactile sensor. We stimulated canine LDM with bur...

journal_title：Artificial organs

authors： Inaba H,Miyaji K,Kaneko Y,Ohtsuka T,Ezure M,Tambara K,Takamoto S,Omata S

更新日期：2000-10-01 00:00:00

abstract：:To evaluate the potential clinical usefulness of a modified hemoglobin, pyridoxalated hemoglobin polyoxyethylene conjugate (PHP), the hindlimb vascular bed was perfused with PHP solution while monitoring tissue oxygen tension (PtO2) in anesthetized dogs. The hindlimb region was perfused through the external iliac arte...

journal_title：Artificial organs

authors： Kida Y,Yamakawa T,Iwasaki S,Furusho N,Kadowaki Y,Iwata S,Iwashita Y,Nishi K

更新日期：1995-06-01 00:00:00

abstract：:Bacillus Calmette-Guerin (BCG) has been shown to have therapeutic effects on asthma through CD4+CD25+ regulatory T cells (Tregs). We sought to assess pretreatment with inactivated BCG on CD4+CD25+ Tregs and its functional and structural effects in rat asthma model. The rat asthma model was established using ovalbumin ...

journal_title：Artificial organs

authors： Gong P,Li Y,Tan YP,Li H

更新日期：2016-04-01 00:00:00

abstract：:We report on 10 patients with acute renal involvement in Hantaan virus infection observed at the Department of Nephrology, Faculty of Medicine, Skopje, Republic of Macedonia, during a period of 3 years (October 1987-July 1990). Eight patients were male and 2 were female, aged 37.5 +/- 4.8 years. The diagnosis of Hanta...

journal_title：Artificial organs

authors： Polenaković M,Grcevska L,Gerasimovska-Tanevska V,Oncevski A,Dzikova S,Cakalaroski K,Masin G

更新日期：1995-08-01 00:00:00

abstract：:Many types of rotary blood pumps and pump control methods have recently been developed with the goal of clinical use. From experiments, we know that pump flow spontaneously increases during exercise without changing pump control parameters. The purpose of this study was to determine the hemodynamics associated with th...

journal_title：Artificial organs

authors： Akimoto T,Yamazaki K,Litwak P,Litwak KN,Tagusari O,Mori T,Antaki JF,Kameneva MV,Watach MJ,Umezu M,Tomioka J,Kormos RL,Koyanagi H,Griffith BP

更新日期：1999-08-01 00:00:00

abstract：:The use of recombinant human erythropoietin (rHuEpo) has revolutionized anemia management of early and late stages of chronic kidney disease. Darbopoietin is also now available for the treatment of anemia of chronic kidney disease. In addition, rHuEpo has been used for the treatment of anemia observed in critical illn...

journal_title：Artificial organs

authors： Liangos O,Pereira BJ,Jaber BL

更新日期：2003-09-01 00:00:00

abstract：:This article reviews the clinical, biological, radiological, and pathological procedures and their respective indications for the practical diagnosis of the following various histological patterns of renal osteodystrophy: osteitis fibrosa due to parathyroid hormone (PTH) hypersecretion: osteomalacia or rickets due to ...

journal_title：Artificial organs

authors： Fournier A,Oprisiu R,Hottelart C,Yverneau PH,Ghazali A,Atik A,Hedri H,Said S,Sechet A,Rasolombololona M,Abighanem O,Sarraj A,El Esper N,Moriniere P,Boudailliez B,Westeel PF,Achard JM,Pruna A

更新日期：1998-07-01 00:00:00

abstract：:We previously demonstrated that tumor necrosis factor-alpha (TNF-alpha) increased following a reduction in systemic blood flow to 60% or less of the original cardiac output using a left ventricular assist device (LVAD). The aim of this study was to investigate the effect of reducing systemic blood flow on tissue oxyge...

journal_title：Artificial organs

authors： Uozaki Y,Dihmis WC,Yamauchi H,Moczar M,Miyama M,Pasteau F,Tixier D,Bambang SL,Loisance DY

更新日期：2001-01-01 00:00:00

abstract：:This study introduces a newly developed method for the formation of a stationary phase superficially embedded with immunoadsorbent, that is partially incomplete two-stage polymerization of acrylamide. Preliminary experimental studies show that binding activity of the immunoadsorbent was satisfactorily maintained after...

journal_title：Artificial organs

authors： Yang TH

更新日期：2005-05-01 00:00:00

abstract：:Stimulation of different spinal cord segments in humans is a widely developed clinical practice for modification of pain, altered sensation, and movement. The human lumbar cord has become a target for modification of motor control by epidural and, more recently, by transcutaneous spinal cord stimulation. Posterior col...

journal_title：Artificial organs

authors： Danner SM,Hofstoetter US,Ladenbauer J,Rattay F,Minassian K

更新日期：2011-03-01 00:00:00

abstract：:This article presents the first in vivo experiments with a new type of valveless ventricular assist device, a wave-generating pump. Our goal was to evaluate the hemodynamic performance of the pump by comparing it with the Biomedicus BP-80 centrifugal pump and by sustaining a 3 h long left ventricular assistance. We co...

journal_title：Artificial organs

authors： Feier H,Mekkaoui C,Drevet JB,Sérée Y,Richomme C,Rolland PH,Mesana TG

更新日期：2002-12-01 00:00:00

abstract：:An apparatus has been contructed to regulate ultrafiltration accurately during dialysis. The principle of the apparatus is that, per unit of time, exactly the same amount of dialysate is introduced into the dialyzer as is discharged from it. The apparatus consists of two isovolumetric pumps connected in line. The four...

journal_title：Artificial organs

authors： Flendrig JG,Carpay WM,Dekkers WT

更新日期：1978-05-01 00:00:00

abstract：:The new Advanced ventricular assist device (Advanced VAD) has many features such as improving pulsatility and preventing regurgitant flow during pump stoppage. The purpose of this study was to evaluate the effects of design modifications of the Advanced VAD on these features in vitro. Bench testing of four versions of...

journal_title：Artificial organs

authors： Miyamoto T,Byram N,Karimov JH,Adams J,Dessoffy R,Kuban BD,Gao S,Horvath DJ,Fukamachi K

更新日期：2019-10-01 00:00:00

abstract：:In this study, we have developed an implantable electronics unit (IEU) for driving an undulation pump-left ventricular assist device (UP-LVAD). The IEU consists of a pump driver, three series-connected lithium ion batteries (1800 mAh), a charger, and a transcutaneous information transmission system. These electronic s...

journal_title：Artificial organs

authors： Okamoto E,Makino T,Inoue Y,Tanaka S,Yasuda T,Nakamura M,Saito I,Abe Y,Chinzei T,Isoyama T,Mochiizuki S,Imachi K,Mitamura Y

更新日期：2006-05-01 00:00:00

abstract：:Since the introduction of high-performance prosthetic heart valves, particularly bileaflet valves and monoleaflet valves with larger opening angles, we have observed in vivo complex leaflet motion which has not been experimentally confirmed yet. We developed a computer-controlled hydraulic mock circulator to study the...

journal_title：Artificial organs

authors： Ohta Y,Okamoto K,Sonderegger M,Dohi T,Matsumoto H,Horiuchi T

更新日期：1997-04-01 00:00:00

abstract：:Transplanted allogeneic marrow grafts often fail to engraft in a lethally irradiated host. Resistance to hemopoietic allograft is a complexed phenomenon involving multiple components. To study the involvement of a hemopoietic cytokine, which was known to play a role for stem cell function, we established lines of mice...

journal_title：Artificial organs

authors： Kokai Y,Kimura H,Matsuura A,Fujimoto J

更新日期：1996-08-01 00:00:00

abstract：:Pharmacologic agents and other non-protein-bound compounds smaller than 5,000 daltons have the potential to be removed by continuous arteriovenous hemofiltration (CAVH). A proposed method for estimating drug clearance by CAVH (ClCAVH) equates ultrafiltrate clearance to the product of the sieving coefficient and the av...

journal_title：Artificial organs

authors： Horton MW,Godley PJ,Moore ES,Fineg J,Gillespie WR

更新日期：1990-12-01 00:00:00

abstract：:Excessive left ventricular (LV) volume unloading can affect right ventricular (RV) function by causing a leftward shift of the interventricular septum in patients with mitral regurgitation (MR) receiving left ventricular assist device (LVAD) support. Optimal settings for the LVAD should be chosen to appropriately cont...

journal_title：Artificial organs

authors： Naito N,Nishimura T,Takewa Y,Kishimoto S,Date K,Umeki A,Ando M,Ono M,Tatsumi E

更新日期：2016-11-01 00:00:00

abstract：:The design criteria of an extracorporeal circuit suitable for pulsatile flow are quite different and more entangled than for steady flow. The time and costs of the design process could be reduced if mutual influences between the pulsatile pump and other extracorporeal devices were considered without experimental trial...

journal_title：Artificial organs

authors： Pennati G,Fiore GB,Laganà K,Fumero R

更新日期：2004-02-01 00:00:00

abstract：:The aim of this study was to prepare a DNA immunoadsorbent for the specific, extracorporeal removal of anti-DNA antibodies from the blood of patients with systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). Two kinds of cellulose beads were applied as a carrier. Calf thymus DNA was covalently coupled to ...

journal_title：Artificial organs

authors： Kong D,Schuett W,Dai J,Kunkel S,Holtz M,Yamada R,Yu Y,Klinkmann H

更新日期：2002-02-01 00:00:00

abstract：:What the most causative factor affecting hemolysis is still controversial. To resolve this problem, we investigated the relationship between hemolysis and heat generation in six types of centrifugal blood pumps (Bio-Pump, Delphin, Capiox, Nikkiso, Isoflow, and Toyobo). The analyzed parameters were index of hemolysis i...

journal_title：Artificial organs

authors： Araki K,Taenaka Y,Masuzawa T,Tatsumi E,Wakisaka Y,Watari M,Nakatani T,Akagi H,Baba Y,Anai H

更新日期：1995-09-01 00:00:00

abstract：:The insults sustained by transplanted livers (hepatectomy, hypothermic preservation, and normothermic reperfusion) could compromise hepatic function. Hydrogen sulfide (H₂S) is a physiologic gaseous signaling molecule, like nitric oxide (NO) and carbon monoxide (CO). We examined the effect of diallyl disulfide as a H₂S...

journal_title：Artificial organs

authors： Balaban CL,Rodriguez JV,Guibert EE

更新日期：2011-05-01 00:00:00

abstract：:Centrifugal pumps have been used widely as the main pump in open heart surgery to reduce damage to blood elements and to reduce the activation of the coagulation system. The purpose of this study was the evaluation and comparison of the effects of two types of centrifugal pumps and of one type of roller pump on blood ...

journal_title：Artificial organs

authors： Yoshikai M,Hamada M,Takarabe K,Okazaki Y,Yoshika M

更新日期：1996-05-01 00:00:00

abstract：:Existing peritoneal dialysis (PD) solutions were formulated for the maintenance of fluid and electrolyte balance, correction of metabolic acidosis, and the removal of metabolic waste products. Solutions currently in development are designed to improve biocompatibility by neutralizing pH and reducing glucose degradatio...

journal_title：Artificial organs

authors： Martis L,Chen C,Moberly JB

更新日期：1998-01-01 00:00:00